UV Index in El Castellar, Spain

Last updated: July 2, 2025

In El Castellar, Spain, understanding the UV Index is crucial for maintaining skin health and preventing sunburns throughout the year. The Csb climate zone here brings a unique set of UV exposure risks, particularly during peak hours when the index can soar to 11 around midday. Awareness of these levels empowers residents and visitors alike to enjoy the beautiful, sunny days while taking necessary precautions against harmful ultraviolet rays. By being informed, you can ensure your time spent outdoors remains both enjoyable and safe.

Hourly UV Index in El Castellar

The UV Index data reveals a striking pattern throughout the day, starting low in the early morning with a maximum of 1 at 07:00 and 08:00. As the sun climbs higher, the index surges past 2 at 09:00, reaching 4 by 10:00. Midday marks the peak, with the index soaring to an impressive 11 at 14:00—a reminder to seek shade and protect your skin. Gradually, the intensity subsides, dwindling to 9 at 16:00, then dropping to 2 by 19:00. This data underscores the importance of being UV-aware, especially during those high noon hours when the sun's rays are strongest. Stay safe and enjoy the sunshine wisely!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	6	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	11	extreme	10 min
15:00	10	very high	15 min
16:00	9	very high	15 min
17:00	6	high	25 min
18:00	4	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in El Castellar

Throughout the year, the UV Index shows significant seasonal variation, with the highest risk months falling between April and August. Notably, June experiences the peak intensity at a UV Index of 12, categorized as extreme, while April and May also reach very high levels. During these months, the recommended burn time decreases to just 10 to 15 minutes. In contrast, the moderate levels observed in January, February, November, and December permit a safer burn time of 30 minutes. Residents and visitors should prioritize sun protection during the high-risk months by wearing sunscreen, protective clothing, and seeking shade during peak hours to reduce the risk of UV-related skin damage.

Monthly Maximum UV Index for El Castellar, Spain

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in El Castellar. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for El Castellar, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare El Castellar UV Index with Other Spain Cities

The table above highlights how UV exposure in El Castellar compares to other major locations across Spain. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

El Castellar's solar exposure compared to other cities in Spain. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Barcelona UVI	3	4	5	7	8	10	10	9	7	6	3	2
Zaragoza UVI	3	4	6	8	9	11	11	9	8	6	3	2
Valencia UVI	3	4	6	8	9	11	10	9	8	6	4	3
Madrid UVI	3	4	6	8	10	11	11	9	8	6	4	3
El Castellar	3	5	6	9	10	12	11	10	8	7	4	3
Sevilla UVI	3	5	7	9	10	11	10	10	9	7	4	3